Gold nanoparticle-porphyrin self-assembled multistructures for photoelectric conversion

Sunao Yamada, Takashi Tasaki, Tsuyoshi Akiyama, Nao Terasaki, Satoshi Nitahara

    Research output: Contribution to journalConference articlepeer-review

    24 Citations (Scopus)

    Abstract

    Multistructure assemblies consisting of porphyrin and gold nanoparticles have been fabricated on an indium-tin-oxide electrode by using alternate gold-sulfur self-assembling. Structural and morphological characterizations of the assemblies have been carried out by absorption spectra and scanning electron micrographs. The results verified that the degree of each self-assembling was considerably lower than monolayer level. The assemblies exhibit clear photocurrent responses ascribing to photoexcitation of porphyrin in the presence of oxygen as a sacrificial electron acceptor. The photocurrent was larger for higher number of assembling cycles.

    Original languageEnglish
    Pages (from-to)70-74
    Number of pages5
    JournalThin Solid Films
    Volume438-439
    DOIs
    Publication statusPublished - Aug 22 2003
    EventThe 5th International Conference on Nano-Molecular Electronics - Kobe, Japan
    Duration: Dec 10 2002Dec 12 2002

    All Science Journal Classification (ASJC) codes

    • Electronic, Optical and Magnetic Materials
    • Surfaces and Interfaces
    • Surfaces, Coatings and Films
    • Metals and Alloys
    • Materials Chemistry

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